{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Further , these results suggest that the association between rs16969968 and lung cancer may be mediated by the quantity of smoke inhaled . The Pharmacogenomics Journal advance online publication , 29 January 2013 ; doi : 10 . 1038 / tpj . 2012 . 50 ."}
{"Chemical": []}